Dec 24, 2012 2:30pm PST
neil/lehrer productions >> brown: christmas eve shootings killed two firefighters in rochester, new york and a policeman and bystander in houston, texas. good evening. i'm jeffrey brown. >> ifill: and i'm gwen ifill. on the newshour tonight, we have the latest on the killings, coming ten days after the massacre at sandy hook elementary school in newtown, connecticut.